from 变量的类型注解 import my_list

var_1:int=104
var_2:str="run"
var_3:bool=True



class Student:
    pass
stu:Student=Student()

my_list3:list=[1,2,3,4]
my_tuple3:tuple=(1,2,3,4)
my_dict3:dict={"run":1,"file":2}

my_list4:list[int]=[1,2,3,4,5,6]
my_tuple4:tuple[int,str]=(1,"2")
print(my_tuple4)
my_dict4:dict[str:int,int:str]={"1":3,int(3):"file"}